The threads connecting the head of one of my MDRS tools to its handle have broken off. What should I do?

The threads connecting the head of one of my MDRS tools to its handle have broken off. What should I do?

Send it back and we will replace it.

However, let us explain why that happened: It is crucial that all joints be tightly turned together before use. Securely screwed together, the tolling will endure whatever you can put it thought. However, unscrew the joints even by a few threads and the joint is only as strong as the 1/4-20 screw that holds them together and it is going to bend/break under stress.